Home / 3,049.61-4,207.51-1,723.08

Finding the Fourth Proportional to 3,049.61, 4,207.51 and 1,723.08

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Solution

The fourth proportional to 3,049.61, 4,207.51 and 1,723.08 is: 2,377.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.61 : 4,207.51 = 1,723.08 : x
  2. Step 2: Convert to fraction form
    3,049.61/4,207.51 = 1,723.08/x
  3. Step 3: Cross multiply
    3,049.61x = 4,207.51 × 1,723.08
  4. Step 4: Simplify right side
    3,049.61x = 7,249,867.72
  5. Step 5: Solve for x
    x = 7,249,867.72/3,049.61
  6. Step 6: Final answer
    x = 2,377.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.